Finding the Fourth Proportional to 246.97, 370.36 and 84.61
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Solution
The fourth proportional to 246.97, 370.36 and 84.61 is: 126.88
Step by Step Solution
- Step 1: Write the proportion equation
246.97 : 370.36 = 84.61 : x - Step 2: Convert to fraction form
246.97/370.36 = 84.61/x - Step 3: Cross multiply
246.97x = 370.36 × 84.61 - Step 4: Simplify right side
246.97x = 31,336.16 - Step 5: Solve for x
x = 31,336.16/246.97 - Step 6: Final answer
x = 126.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.